A Practical Approach to Motor Vehicle Engineering and Maintenance by Allan Bonnick Derek Newbold

Contents:

1 Vehicle layouts and some simple vehicle structures

2 Engine principles

3 The main moving parts of an engine

4 Multi-cylinder engines

5 Firing orders and engine balance

6 Crankshaft, camshaft, and valve operating mechanisms

7 A petrol fuel system

8 Motor fuels

9 Carburettors

10 Petrol injection e introduction

11 Air supply and exhaust systems

12 Lubricants and engine lubrication

13 Cooling systems

14 Internal combustion engines

15 The compression ignition engine e diesel engine

16 Diesel fuel systems

17 Engine fault diagnosis

18 Transmission

19 Electronically controlled automatic transmission

20 Suspension systems

21 Braking systems

Foreword:

In this third edition some of the older technology has been removed and modern technology to include Leve 3 topics has been included. Much emphasis has been placed on fault diagnosis because it is such an importan part of a modern automotive technician’s work. The careful consideration of fault diagnosis that is undertaken in a range of examples in this edition shows how a methodical approach to fault diagnosis, based on good knowledge of automotive systems, can lead to

success. As an example, the ECU may report the fault code P0301 that tells us that there is a misfire in number 1 cylinder. The misfire may be caused by one or more factors, including: Ignition problem, defective spark plug, defective HT cables, defective direct ignition coil, etc. Poor compression, badly seating valve, leaking gasket, worn or broken piston rings. Incorrect mixture in that cylinder, air leak, defective petrol injector. It is clear that good ignition in a single cylinder is dependent on many factors, which must be taken into account when considering what action to take. Faults in some of these other areas may also be recorded in faul codes, but others will not. To locate causes of faults in these other areas may require use of specialist equipment and reference to manuals and circuit diagrams e these factors are covered in detail in several of the examples in this book. The methodical six-step approach is high lighted as a sound basis for successful fault diagnosis.

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